a small suggestion for inproving the server

ins1337,citrusfruit and weebrett,cornell1 are griefing the serverbut srsly he says he is using minecrack or something he is nuking houses etc.and he has playertracker or somethingcitrusfriut1 ,weebrett, ins1337,cornell1, are all griefers they are member of stormthehouse or something and nexusgriefersboth things have youtubes and they are currently attacking the server(griefing it) and spamming like hell with theyre utube page linksplz plz plz ban them